pub type PFN_vkCmdBeginRenderPass = unsafe extern "system" fn(_command_buffer: CommandBuffer, _render_pass_begin: *const RenderPassBeginInfo, _contents: SubpassContents);pub type PFN_vkCmdBeginRenderPass = unsafe extern "system" fn(_command_buffer: CommandBuffer, _render_pass_begin: *const RenderPassBeginInfo, _contents: SubpassContents);